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X9401

Part Number	X9401
Manufacturer	Renesas
Description	Quad Digitally Potentiometer
Published	Jun 3, 2020
Detailed Description	DATASHEET X9401 Low Noise/Low Power/SPI Bus Quad, 64 Tap, Digitally Controlled Potentiometer (XDCP™) FN8190 Rev 5.00 S...
Datasheet	X9401 PDF File

Overview

DATASHEET X9401 Low Noise/Low Power/SPI Bus Quad, 64 Tap, Digitally Controlled Potentiometer (XDCP™) FN8190 Rev 5.
00 September 14, 2015 Description The X9401 integrates 4 digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.
The digitally controlled potentiometer is implemented using 64 resistive elements in a series array.
Between each element are tap points connected to the wiper terminal through switches.
The position of the wiper on the array is controlled by the user through the SPI bus interface.
Each potentiometer has associated with it a volatile Wiper Counter Register (WCR) and 4 nonvolatile Data Registers (DR0:DR3) that can be directly written to and read by the user.
The contents of the WCR controls the position of the wiper on the resistor array through the switches.
Power-up recalls the contents of DR0 to the WCR.
The XDCP can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applicat...

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